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Finding the Fourth Proportional to 244,314.86, 366,467.10 and 66,821.87

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Solution

The fourth proportional to 244,314.86, 366,467.10 and 66,821.87 is: 100,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,314.86 : 366,467.10 = 66,821.87 : x
  2. Step 2: Convert to fraction form
    244,314.86/366,467.10 = 66,821.87/x
  3. Step 3: Cross multiply
    244,314.86x = 366,467.10 × 66,821.87
  4. Step 4: Simplify right side
    244,314.86x = 24,488,016,915.48
  5. Step 5: Solve for x
    x = 24,488,016,915.48/244,314.86
  6. Step 6: Final answer
    x = 100,231.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.